From 18c4e49f913bc29665f1393c00a0fe200499e091 Mon Sep 17 00:00:00 2001
From: Jake Hillion <jake@hillion.co.uk>
Date: Fri, 9 Jan 2026 16:10:36 +0000
Subject: [PATCH] nix: put treefmt in devshell

treefmt is a useful to be able to access directly for some formatters like
`jj fix`. Expose it in the devshell.

Test plan:
- Used with `jj fix` on a large branch. It worked.
---
 flake.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/flake.nix b/flake.nix
index e9ae54ca..f405aea7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -73,6 +73,9 @@
           packages =
             with pkgs;
             [
+              # FORMATTING
+              treefmtEval.config.build.wrapper
+
               # PYTHON
               python313
               uv